Robert Shawn Thompson

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Maple Grove, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Angled mouthpiece for wind instrument
- Patent number 6,198,032
- Issue date Mar 6, 2001
- Robert Shawn Thompson
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Ventilated mute for wind instrument
- Patent number 6,114,619
- Issue date Sep 5, 2000
- Robert Shawn Thompson
- G10 - MUSICAL INSTRUMENTS ACOUSTICS